Key West can easily be explored by foot, but if you want to hit all of the area’s attractions in one day, hop on a train with Old Trolley Tours Key West. The narrated tour takes you to 12 landmarks, including Southernmost Point, Key West Aquarium and Ernest Hemingway Home and Museum. Tours depart from Mallory Square, and include coupons (worth up to $50 in discounts) and free admission to Overseas Railroad Museum. Plus, kids ages 12 and under ride fee.